BR8103266A - Processo de montagem de um aparelho para a perfuracao rotativa,dispositivo de montagem e barra propulsora para a realizacao do processo - Google Patents

Processo de montagem de um aparelho para a perfuracao rotativa,dispositivo de montagem e barra propulsora para a realizacao do processo

Info

Publication number
BR8103266A
BR8103266A BR8103266A BR8103266A BR8103266A BR 8103266 A BR8103266 A BR 8103266A BR 8103266 A BR8103266 A BR 8103266A BR 8103266 A BR8103266 A BR 8103266A BR 8103266 A BR8103266 A BR 8103266A
Authority
BR
Brazil
Prior art keywords
assembly
propulsive
appliance
bar
rotating drilling
Prior art date
Application number
BR8103266A
Other languages
English (en)
Inventor
G Soderstrom
E Persson
Original Assignee
Sandvik Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Ab filed Critical Sandvik Ab
Publication of BR8103266A publication Critical patent/BR8103266A/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/10—Roller bits with roller axle supported at both ends
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
BR8103266A 1980-05-30 1981-05-26 Processo de montagem de um aparelho para a perfuracao rotativa,dispositivo de montagem e barra propulsora para a realizacao do processo BR8103266A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8004039A SE8004039L (sv) 1980-05-30 1980-05-30 Sett och anordning vid borrning

Publications (1)

Publication Number Publication Date
BR8103266A true BR8103266A (pt) 1982-02-16

Family

ID=20341086

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8103266A BR8103266A (pt) 1980-05-30 1981-05-26 Processo de montagem de um aparelho para a perfuracao rotativa,dispositivo de montagem e barra propulsora para a realizacao do processo

Country Status (7)

Country Link
AU (1) AU6903981A (pt)
BR (1) BR8103266A (pt)
DE (1) DE3114927A1 (pt)
NO (1) NO811818L (pt)
SE (2) SE8004039L (pt)
ZA (1) ZA812279B (pt)
ZM (1) ZM4581A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO176528C (no) * 1992-02-17 1995-04-19 Kverneland Klepp As Anordning ved borekroner
CN110748298B (zh) * 2019-11-15 2022-03-18 四川石油天然气建设工程有限责任公司 一种具有自扶正引导功能的扩孔器
CN114776223A (zh) * 2022-04-20 2022-07-22 泰山学院 一种钻胀组合式破岩的反井钻机扩孔刀盘及破岩方法

Also Published As

Publication number Publication date
SE8102752L (sv) 1981-12-01
NO811818L (no) 1981-12-01
ZM4581A1 (en) 1981-12-21
SE8004039L (sv) 1981-12-01
DE3114927A1 (de) 1982-02-25
AU6903981A (en) 1981-12-03
ZA812279B (en) 1982-04-28

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